Home / 4,290.57-6,427.64-2,897.03

Finding the Fourth Proportional to 4,290.57, 6,427.64 and 2,897.03

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Solution

The fourth proportional to 4,290.57, 6,427.64 and 2,897.03 is: 4,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.57 : 6,427.64 = 2,897.03 : x
  2. Step 2: Convert to fraction form
    4,290.57/6,427.64 = 2,897.03/x
  3. Step 3: Cross multiply
    4,290.57x = 6,427.64 × 2,897.03
  4. Step 4: Simplify right side
    4,290.57x = 18,621,089.22
  5. Step 5: Solve for x
    x = 18,621,089.22/4,290.57
  6. Step 6: Final answer
    x = 4,340.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.